GeForce GTX 780 and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 780
Radeon HD 7970 GHz Edition
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK110
Tahiti
Market segment
Desktop
Desktop
Release date
May 2013
June 2012
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
900 MHz
1050 MHz
Core clock speed
863 MHz
-
CUDA cores
2304
-
Floating-point performance
4,156 gflops
4,301 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
4,313 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
250 Watt
250 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
134.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
3 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
1500 MHz
Memory bandwidth
288.4 GB/s
288 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PhysX
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-